Undecyne diacid
[化] 十一碳炔二酸
🧩 词语组成解析
十一炔
n. [化]二酸\\na. [化]二价酸的, 二酸的
🗣️ 情景例句
It needs your time, and it needs your energy.
它需要你的时间 需要你的精力。
An ass endures his burden,but not more than his burden.
驴子能负重，过重也难负。
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。